3,5-Di-tert-butylbenzaldehyde may be used in the synthesis of the following:5-p-pyridyl-15-(3,5-di-tert-butylphenyl)porphyrin via condensation reaction with 4-pyridinecarboxaldehyde and 2,2 -dipyrrylmethane.3,5-di-tert-butylphenyl-dipyrromethane via reaction with pyrrole in the presence of trifluoroacetic acid.3,5-di-tert-butyl-2-nitrobenzaldehyde via nitration reaction.